Some of the first supernovae might have looked remarkably like this one, which was produced by a chemically simple star.

Celebrate Independence Day on July 4 — the federal holiday marking the 1776 adoption of the Declaration of Independence in ...

This Star Is About To Explode!

Astronomers used the James Webb Space Telescope to observe a distant galaxy merger called CRISTAL-02. CRISTAL-02 is losing ...

NASA scientists have identified what may be the first known pair of supernova remnants produced by stars that once orbited ...

Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can walk through” visualizes the cosmos in a 3-D introduction to the universe ...

For more than a century, cosmic rays have remained one of astronomy’s lingering puzzles. These tiny particles move through space carrying extraordinary amounts of energy, arriving from distant corners ...

Fire officials issued urgent evacuation orders Friday for a Southern California community as emergency crews scrambled to manage an enormous chemical tank that is "actively in crisis" and threatening ...

Universe Today reports on new research about black holes and missing mass ranges. The article explains how gravitational waves, first detected in 2015, help scientists study black hole mergers and ...

An exploding supernova can outshine an entire galaxy. Black holes devour matter and generate enough light to be seen across the universe. Violent processes far away can propel cosmic ray protons to ...

WASHINGTON — A supernova, the explosive death of a star, is always violent, blasting material into space while typically leaving behind a compact stellar remnant like a neutron star or black hole. But ...

The fighting continues in the Middle East, and oil’s back on the move, as the clock ticks on President Donald Trump’s five-day deadline for resolving differences with Iran. That’s the backdrop for ...